じゃろうが

though it is

→ だ
phrase Rare #45,542
though it is A dialectal, emphatic form of だろうが. Depending on context, it can also work like “isn't it?”
JA: それが一番いい方法じゃろうが、今は時間がない。
EN: That may be the best way, but we don't have time now.

同じことじゃろうが

It's the same thing, isn't it?

— 風の谷のナウシカ (1984)

意気地のない話じゃろうが

That's a pretty spineless thing to say, isn't it?

— 東京物語 (1953)